2 circuit. Normally off. 3 positions: Off – On #1 – On #2. Knob face dia: 3/4″. Face nut, washer and hexnut. Permits two circuits (i.e., anchor and running lights) to be operated independently with one switch. Features non-corrosive construction. Gasket sealed case protects against moisture and dust. Brass mounting stem: 3/8″ -32 x 1-1/4″L complete with chrome plated brass knob & face nut, washer, and hex nut for mounting. Mount in panels up to 1″ thick. Rating 10A @ 12VDC. 6-36VDC. Brass housing. Boxed.